I would strongly suggest you read or rent the video for "The Happiest Toddler on the Block" by Dr. Harvey Karp. I just recently saw the author of this book give a talk, and it was great. We have implemented a lot of the tactics with our almost two year old and have had great success. Some things feel very strange to do, but it does seem to work. To lessen the number of power struggles, you need to let your daughter win some battles during the day to things that aren't important. As a two year old, they lose all day long. They will be much more cooperative if you let them win sometimes. This could be something as simple as letting her pick out her own clothes, regardless of whether or not it matches. My daughter picks out her own clothes every day, and yes, sometimes it is embarassing to be seen with her wearing a pink pants and an orange shirt, but it isn't hurting anyone, so it is an easy battle to let her win. We try to give her choices throughout the day, all with stuff that is ok no matter what she chooses. Anything to make her feel like she has some control over her world. It makes a big difference when you need her to cooperate, she will do so much more willingly on the really important stuff. The tantrums should lessen, but the book/video have great ways to deal with the tantrums. We have been able to end all of ours within seconds, instead of them dragging on and on. If you do need to put he in a time out, and she is being destructive, I agree you need to find a safe spot where she can't hurt herself, others or property. A friend of mine uses the booster seat from the kitchen and takes it and turns it around to face the wall. Her daughter is contained and unable to do anything else but sit there. It has been effective for them. Also, if she is feeling out of control, perhaps she is a child that will thrive on routine and a schedule. Some kids need that security to know exactly what is coming next. Also, this is a time when kids start to get more engrossed in their activities, so it is often helpful to give them a heads up before transitions. Although they still don't have a concept of time, before you leave the playground you can warn her she has 5 more minutes, then 3 more minutes, then 1 more minute until it is finally time to go. That worked really well for my son. He couldn't grasp how long 5 minutes was, but when you do it often, he gets the idea. Still didn't want to leave, but a lot less likely to throw a big fit in the middle of the playground. I would definitely set up rules on the important (safety stuff first) and be very consistent with your follow through. That is the hardest part, but once a rule is established, it needs to be enforced every time, and once she realizes this is the case, she will stop testing so much. Good luck. This is such a frustrating stage for most parents. I know my son really could push my buttons unlike any other person. The only good thing about this is you can be sure she knows you love her unconditionally, or she wouldn't be acting so terrible. Also, the good news is this too shall pass, my son by about 3 and 1/4 was like an entirely different child. Although now he is four, and has such attitude, I don't know which stage was worse!